Merge pull request #4329 from tsbockman/isInfinity_fallback

Fix the broken fallback algorithm for `std.math.isInfinity()`
dlang · May 15, 2016 · 778593d · 778593d
2 parents 8671e88 + 9ecb82e
commit 778593d
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/std/math.d b/std/math.d
@@ -5140,7 +5140,7 @@ bool isInfinity(X)(X x) @nogc @trusted pure nothrow
     }
     else
     {
-        return (x - 1) == x;
+        return (x < -X.max) || (X.max < x);
     }
 }